Drill bit



FIG. 1 is a front view of a drill bit in accordance with an embodiment of the present design;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a first perspective view thereof;

FIG. 8 is a second perspective view thereof;

FIG. 9 is an enlarged view of portion 9 of FIG. 1;

FIG. 10 is an enlarged view of portion 10 of FIG. 2;

FIG. 11 is an enlarged view of FIG. 4;

FIG. 12 is an enlarged view of portion 12 of FIG. 5;

FIG. 13 is an enlarged view of portion 13 of FIG. 6;

FIG. 14 is an enlarged view of portion 14 of FIG. 7; and,

FIG. 15 is an enlarged view of portion 15 of FIG. 8. 

CLAIM The ornamental design for a drill bit, as shown and described. 